diff --git a/src/notes b/src/notes
index 435b3ce..83e5e37 100644
--- a/src/notes
+++ b/src/notes
@@ -1,4 +1,9 @@
 --------------------------------------------------------------------------------
+rel1_67_4
+--------------------------------------------------------------------------------
+6e23b88 Merge branch 'develop'
+c1261b7 Fix units of stress_tol test in BOSampleStepper
+--------------------------------------------------------------------------------
 rel1_67_3
 --------------------------------------------------------------------------------
 48c0d4b Merge branch 'develop'
diff --git a/src/release.C b/src/release.C
index 3c78cda..6eba41f 100644
--- a/src/release.C
+++ b/src/release.C
@@ -19,5 +19,5 @@
 #include "release.h"
 std::string release(void)
 {
-  return std::string("1.67.3");
+  return std::string("1.67.4");
 }